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歪斜線
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
判斷球體
【案例】2018年全国1卷理科12题
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
Discover Resources
拋物線之極偶 / polarity for parabola
量角器3
二元一次方程式及其解的意義
-3 ≤ cosA+cosB+cosC ≤ 3/2
三角形点阵
Discover Topics
Orthocenter
Median Line
Median Value
Difference and Slope
Parallelogram